538 results about "USB" patented technology

This invention relates to a low-power docking station and its control method. It includes a USB-C interface, a power interface, a sleep power supply module, a system power supply module, a protocol control module, a docking station module, a switch module, a switching module, a microcontroller, and a scanning module. The power interface connects to the voltage input terminal of the sleep power supply module and is connected to the voltage input terminal of the system power supply module via the switch module. The system power supply module connects to the power supply terminals of the docking station module and the protocol control module. The switching module connects to the communication terminals of the USB-C interface, the protocol control module, the microcontroller, and the scanning module. The microcontroller detects the device connection status of the USB-C interface and controls the operating status of the switching module, the switch module, and the scanning module based on the detection results. This allows switching the communication link connection of the USB-C interface, connecting or disconnecting the power input of the system power supply module, and controlling the scanning module to operate when no device is connected. This invention features lower standby power consumption, better compatibility, and convenient operation.

A USB-capable device includes an eUSB device repeater includes D+ and D− lines for communicating via a USB bus, and eD+ and eD− lines for communicating via an eUSB bus. The repeater includes a squelch detector for detecting a differential voltage between the D+ and D− lines and comparing it to a squelch threshold voltage based on a selectively variable squelch threshold voltage level at the squelch detector. During USB bus reset the squelch detector compares the differential voltage to a chirp-specific squelch threshold voltage level and the squelch signal indicates no K chirp or J chirp activity on the USB bus. The repeater thereby avoids false detections of invalid chirps and more reliably detects end of USB bus resets. A USB2 bus reset sequence windowing scheme is also provided.

This invention discloses a low-cost, low-speed USB circuit control method. It collects bus transmission timing signals, port voltage fluctuation data, and peripheral access status information through an embedded USB fault diagnosis platform to construct a multi-dimensional operational dataset. Based on a differential timing coupling mapping model, it mines the nonlinear coupling relationship of timing signals. A low-speed bus power consumption balancing model regulates power distribution, and a hardware timing error correction algorithm compensates for timing deviations. A low-cost control module converts the corrected parameters into hardware drive signals to achieve data transmission and peripheral control. The fault diagnosis platform monitors operational feedback data in real time and dynamically adjusts model parameters and control strategies. This method eliminates the need for high-cost dedicated chips and solves the problems of accumulated timing deviations and uneven power distribution in traditional methods through multi-model collaboration and closed-loop control. It reduces hardware costs while improving circuit control accuracy, stability, and operational efficiency.

A ground structure of a USB board end connector and the board end connector, wherein the ground structure comprises a shielding shell of the USB board end connector and a ground terminal arranged on the shielding shell, a lug directly extended from the shielding shell is arranged on the rear side of the shielding shell, the lug comprises an extension section and an inward bending section, one end of the extension section is connected with the shielding shell, the other end of the extension section is connected with one end of the inward bending section through a first circular arc section; a terminal lug extending outward is arranged on one side of the ground terminal, the lower part of the terminal lug is cut off, and the cut-off part is bent backward to form a stop lug; the inward bending section abuts against the terminal lug and is tightly contacted with the stop lug. The application has the advantage that the ground of the ground terminal is very reliable.

The utility model relates to connecting equipment technical field, concretely to a kind of USB Type-C female seat assembly type double-row injection molding connector, comprising: upper row terminal;Injection molding semi-product, upper row terminal and injection molding semi-product can be assembled buckling to form plug-in piece by automatic machine, injection molding semi-product includes middle clamping piece and lower row terminal, middle clamping piece and lower row terminal can be by injection molding;Injection molding semi-product is provided with terminal slot for upper row terminal pressing buckling on, and upper row terminal can be buckled into the terminal slot of injection molding semi-product;Injection molding semi-product and upper row terminal secondary injection molding can form connector product with shell.The utility model is equipped with the plastic groove position matched with upper row terminal on injection molding semi-product, 12pin upper row terminal is buckled into plastic groove position, molding reduces frequency, makes tongue piece head not to use glue point, reduces injection molding frequency, only twice injection molding MD can be molded, compared with three times injection molding in traditional technology, it is more efficient, and appearance is more neat.

The utility model discloses a modular spliced LED lamp area, it includes the fixed plate, the top of fixed plate is provided with a plurality of LED lamp area bodies, the top fixed connection of fixed plate has the USB concentrator, the bottom of LED lamp area body is provided with the connecting mechanism, the connecting mechanism includes USB terminal, plug strip and pull block, the bottom of LED lamp area body and the top fixed connection of plug strip, the one side of USB terminal is close to LED lamp area body and the inside electrical connection of LED lamp area body, the one side of pull block is close to plug strip and plug strip fixed connection, the inside of USB terminal is inserted in the USB concentrator, has solved the present part fireworks shape's decorative LED lamp area, is through the connecting wire and the plug connection, then handheld plug and power supply mainboard are inserted, still need to carry out stable support and fixed to a plurality of LED lamp area, lead to the modular splicing efficiency of LED lamp area is lower to the problem of the influence later period LED lamp area replacement efficiency.

The utility model provides a kind of audio decoder specially matched with mobile phone, it is related to audio decoder technical field, including magnetic sheet and decoder, the decoder is magnetically attracted adaptation with magnetic sheet, the decoder includes USB-C connecting line, aluminium alloy shell and circuit board, the circuit board is located inside aluminium alloy shell, the connection of one end of USB-C connecting line and circuit board, and the other end of USB-C connecting line extends out aluminium alloy shell and is connected with vertical USB-C connector;Multiple socket components are equipped on the circuit board;The utility model will a piece of magnetic sheet be pasted on the position close to bottom of mobile phone back, and the aluminium alloy shell bottom of decoder is designed with magnet, and aluminium alloy shell can be easily adsorbed together in line with magnetic sheet, by multiple socket components on the circuit board of decoder, it is convenient to connect multiple external wires, after collocation use form is simple, wiring is neat, can adapt to mobile phone of different sizes.

This invention discloses an adjustable frequency response microphone integrating XLR and USB outputs, comprising a microphone body, a dynamic microphone driver, a passive filter, a pass-through / preamp circuit, an XLR XLR interface, a USB module, and a function control circuit. The passive filter employs an LC circuit structure, supporting three frequency modes: low-frequency cutoff, mid-frequency boost, and flat response, effectively filtering out ambient noise and enhancing vocal quality. The pass-through / preamp circuit offers both pass-through and preamp modes, with adjustable preamp gain to accommodate dynamic microphone drivers of varying sensitivities, and can be externally or internally powered by phantom power. The USB module integrates a Type-C interface and an audio chip, supporting analog-to-digital / digital-to-analog conversion, real-time headphone monitoring, and external power supply. The function control circuit integrates an encoder and a touch panel, enabling adjustments such as volume, mixing, and mute, and enhances the interactive experience with an RGB lighting module. This invention combines the advantages of professional XLR output with convenient USB output, making it suitable for professional recording, live streaming, gaming, and other scenarios.

The utility model relates to a technical field of electric competition supporting article, especially a kind of electric competition atmosphere lamp and electric competition atmosphere combination luminaire, electric competition atmosphere combination luminaire includes several USB connectors and at least two electric competition atmosphere lamps, USB connector includes two USB plugs, electric competition atmosphere lamp includes shell and light-emitting component, light-emitting component includes PCB lamp board, several arc lampshades and several USB sockets, the side of shell is provided with several openings.When one of the USB plugs of USB connector is inserted into the USB socket of one electric competition atmosphere lamp, and at the same time, another USB plug of USB connector is inserted into the USB socket of another electric competition atmosphere lamp, then two electric competition atmosphere lamps are electrically connected through USB connector. Visible, each electric competition atmosphere lamp is as an independent module, supports user to insert USB connector from different directions according to actual demand, facilitates user to freely splice multiple electric competition atmosphere lamps, and easily combines multiple styles.

This invention discloses a data processing method and system for government services, relating to the field of data transmission technology. The method includes: obtaining jitter-related USB events from USB events of a government self-service terminal; obtaining jitter-related government business events from government business events of the government self-service terminal based on the jitter-related USB events; obtaining a disturbance chain based on the jitter-related USB events and the jitter-related government business events, and determining the identifier of the disturbance chain; defining a target disturbance chain based on the identifier of the disturbance chain, and obtaining a disturbance chain pointing label; classifying all government data units according to the disturbance chain pointing label to obtain disturbance-related government data units and secure government data units. This invention improves the reliability and controllability of the government data processing process.

The application discloses a multi-compatibility intelligent USB power supply imitation dry battery power conversion device, which comprises a USB power supply input module for connecting with 5V power supply voltage of an external USB power supply; an intelligent voltage conversion and management module electrically connected with the USB power supply input module and used for converting the 5V power supply voltage into 3V direct current output voltage; a battery electrode output module electrically connected with an output end of the intelligent voltage conversion and management module and used for conducting the 3V direct current output voltage to a battery compartment of an external power consumption equipment; and a working state indication module electrically connected with the intelligent voltage conversion and management module and used for directly displaying the working state of the current device to a user, including a power-on state and a fault protection state. The application adopts a synchronous rectification step-down type DC-DC chip to cooperate with current detection and an electronic switch, realizes accurate and stable voltage conversion from 5V to 3V, has an automatic sleep function under no load, and solves the problems of unstable direct power supply voltage and excessively high power consumption of the USB power supply.

This application provides a data export method, apparatus, device, and storage medium, relating to the field of storage technology. The method includes: after establishing a connection with a target device via a USB interface, sequentially copying the storage information in the first N sectors of the disk to the target device through a global memory variable; after the storage information copying is complete, converting the data in the first data sector into document data and storing it in the global memory variable; when reading the target document, first copying the document data of the first data sector from the global memory variable to the target device, then sequentially converting the data in subsequent data sectors into document data and copying it to the target device through the global memory variable, until the target document export is complete. This application utilizes a global memory variable to flexibly and dynamically export documents according to the file system specifications, without requiring additional disk storage space to store the generated documents, significantly saving hardware costs.

The application discloses a three-dimensional stacked chip testing method based on multi-interface cooperation and parallel broadcasting, and relates to the technical field of integrated circuit testing.The method sets a USB controller on a master control chip layer to preload 116 bit testing instruction streams to a PRO_RAM on the chip;the states of each layer are configured by issuing instructions through JTAG;then, a coordinator FSM runs in a three-stage pipeline mode of instruction fetching, broadcasting and executing, instruction parameters are synchronously distributed to BIST controllers of target layers by using a source fan-out broadcasting bus;by introducing physically isolated shadow registers and active registers in the BIST controllers, the next group of instructions are prefetched and loaded in the background while the current task scanning and shifting are performed, and zero-bubble task switching is achieved;the application effectively reduces the transmission amount of repeated instructions, eliminates the time domain coupling of configuration and execution in the traditional architecture, and significantly improves the testing efficiency of the heterogeneous stacked chip.

This invention provides a wireless communication method, apparatus, device, and storage medium for a projector. The method includes: receiving a mobile network signal through an antenna array, filtering and switching it via a radio frequency front end, and then amplifying it using a low-noise amplifier; demodulating and processing the amplified radio frequency signal using a baseband processor to obtain baseband data; encrypting and decrypting the baseband data and managing its quality of service using a network communication core processor; and transmitting the processed network data to a main control chip module via a USB interface for decoding and display scheduling, then driving the image imaging and display module for projection display. By integrating a mobile network communication module into the projector, data can be transmitted directly via the mobile network, bypassing external WiFi routers and preventing data interception during relay, thus improving data transmission security.

This invention discloses a multi-dimensional dynamic peripheral security verification method and system for the boot phase of wireless communication devices, belonging to the field of embedded system security technology. The method is executed after the second stage of the U-Boot boot process of the wireless communication device and before jumping to the operating system kernel. It includes: triggering a security verification process and reading a trusted peripheral whitelist, where each entry contains the peripheral's fingerprint information; collecting fingerprint information for the peripheral to be verified using a differentiated method based on its interface type, comparing it with the whitelist entries, and performing a logical consistency check for USB interface peripherals; and determining the peripheral's risk level and executing corresponding security response actions based on a comprehensive assessment of firmware hash consistency, timing feature deviation, and logical consistency check results. By integrating multi-dimensional dynamic fingerprint verification, this invention enables deep security verification of peripherals during the embedded boot phase, effectively preventing identifier forgery and firmware tampering, and improving device boot security.

A solid state device (SSD) includes two data storage controllers, each connected to a corresponding set of NAND chips. The SSD includes a Universal Serial Bus (USB)-C socket for receiving a USB-C plug in one of two mating orientations. One lane of the USB-C socket is connected to the first data storage controller. The second lane is connected to the second data storage controller. The two lanes are used for concurrent communications with a host, with lane communication protocols depending upon the mating orientation. In a first mating orientation, the first lane communication protocol may be USB 10 Gbps and the second lane communication protocol may be USB 2.0. In the second mating orientation, the protocols are reversed. The host thereby has concurrent access to both sets of NAND chips. Similar features are described for use with volatile memory devices such as dynamic random access memory (DRAM) devices.

The utility model relates to battery charging and discharging technical field discloses a kind of charging and discharging systems, including battery pack and adapter;Battery pack is equipped with the electric tool output interface of power supply to electric tool, the adapter interface of connecting adapter;Adapter is equipped with the battery pack interface of connecting battery pack, the power input interface of external power supply, the first USB interface of external output direct current;Adapter interface is used to connect battery pack interface, and then when power input interface external power supply, battery pack can charge;When power input interface does not external power supply, battery pack can export itself electric quantity through the first USB interface;Battery pack is also equipped with second USB interface, when battery pack connects adapter and power input interface does not external power supply, second USB interface is not blocked by adapter, to make the electric quantity of battery pack can simultaneously export through the first USB interface and second USB interface.The utility model has the advantage that multiple 3C electronic equipment can be charged simultaneously.

This application belongs to the field of medical devices and relates to a handheld modular intelligent anoscope, including a main unit, an anoscope, and a disposable sterile adapter assembly that can be modularly connected to the main unit. The main unit includes a housing, a male threaded block, a high-definition camera, and a ring light disposed on the housing. The housing also integrates a snapshot switch, a lighting and recording switch, a USB-C interface, and a status display screen. The disposable sterile adapter assembly includes an examination adapter, a surgical adapter, and a pediatric adapter, for selecting one of the adapters to connect to the male threaded block of the main unit in different diagnostic and treatment modes, and to cooperate with the anoscope. This application also relates to an operating system, including an application running on a mobile terminal and a cloud platform. The technical solution provided by this application can achieve highly portable and wireless operation of the device while ensuring zero contact and infection prevention, and deeply integrate intelligent diagnostic and data management functions.

1. Name of the product in this design: USB Wireless Adapter (MINI 5B Pro). 2. Purpose of this design: for wireless network communication. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A power management device and a consumer electronic product are provided. The power management device is for the consumer electronic product. The power management device includes a memory and a controller. The memory stores a power information of a load of the consumer electronic product. An input end of the first voltage regulator is coupled to a power pin of an upstream USB connector, and an output end of the first voltage regulator is coupled to a power end of the load. When USB device is connected to a downstream USB connector of the consumer electronic product, the controller obtains a power demand from the USB device, the controller determines whether to change a power mode of the upstream USB connector according to the power information and the power demand, and the controller controls the second voltage regulator according to the power mode to supply power to the USB device.

The application discloses a kind of for downhole intelligentization vehicle-mounted combination equipment, including fixed on the vehicle-mounted base of car and the PAD of being plugged in the vehicle-mounted base by USB Type-c connector, the USB Type-c connector includes charging wire, USB signal line, serial signal line, IIC signal line and MIC audio input signal line.This equipment can be applied to the transport vehicle of mine, is connected with vehicle by peripheral signal line, can obtain the basic working state information of vehicle;The device is also provided with a plurality of general peripheral interfaces, such as network interface, uart serial port etc., can extend other functions, enriches the use scene and range of equipment.

This invention provides a method for communicating data between a host device and a target peripheral device connected to the host device. The method may include: receiving at least one identifier of the target peripheral device; generating a configuration key for the target peripheral device based on the at least one identifier; determining whether the configuration key of the target peripheral device is in a lookup table, the lookup table including configuration keys of a plurality of peripheral devices and configuration data corresponding to each configuration key; when the configuration key of the target peripheral device is not in the lookup table, obtaining the interface name of the USB interface of the target peripheral device and obtaining the configuration data of the target peripheral device based on the interface name of the USB interface of the target peripheral device; and communicating data between the host device and the target peripheral device according to the configuration data of the target peripheral device.

This utility model discloses a smart padlock, relating to the field of padlock technology. It includes a front shell and a rear shell. A silicone button is placed inside a hole in the front shell, and the edge of the silicone button is pressed firmly onto the front shell by a pressure plate. A USB plug and a keyhole plug are installed at the bottom of the front shell. A dome switch is located on the side of the pressure plate away from the silicone button, and the dome switch is attached to the button PCB. The button PCB is fixed to the pressure plate with screws. The main board is located inside the front shell and fixed with screws. A raised plate is provided on one side of the main board, and a semiconductor fingerprint module is soldered to one side of the raised plate. This utility model proposes a large padlock that simultaneously possesses fingerprint and physical button unlocking functions, giving users more usage options and making it more user-friendly. Because the silicone button, USB plug, and keyhole plug are all waterproof, it is suitable for damp and rainy environments, so users don't have to worry about the lock breaking and being unable to open the door in the rain. The internal structure of the lock has anti-knock characteristics, thus greatly improving user security.

This utility model discloses a power socket with portable lighting function. The utility model includes a socket body (1) and a lighting module (8). The socket body (1) is connected to an external plug (3) via a power cord (2). The socket body (1) has several socket modules (4). The lighting module (8) has a built-in rechargeable battery. The socket body (1) has a receiving slot (20), and a USB socket (12) is located within the receiving slot (20). The lighting module (8) has a USB plug (13). After the lighting module (8) is placed in the receiving slot (20), it becomes an integral part of the power socket. Simultaneously, the USB plug (13) connects to the USB socket (12) to directly power the lighting module (8) or charge the rechargeable battery. After the lighting module (8) is separated from the receiving slot (20), it is powered by the rechargeable battery, serving as a portable lighting device. This utility model can be widely applied in the field of household appliances.

This utility model discloses a keyboard with temperature control heating function and expansion dock, comprising: a bottom shell with a temperature adjustment button fixedly connected to it; a multimedia knob fixedly connected to the upper surface of the bottom shell; an audio jack on the bottom shell; a power data cable on the bottom shell; a heating film on the bottom shell; a Type-C port on the rear side of the bottom shell; three USB ports on the rear side of the bottom shell; another Type-C port on the left side of the bottom shell; another USB port on the left side of the bottom shell; and a temperature sensor on the bottom shell. Through this structure, suitable and stable warmth can be provided to the user's hands in cold winter, effectively solving the problems of easily frozen hands and reduced operational flexibility when using traditional keyboards. This allows users to maintain a comfortable operating state even in low-temperature environments, improving comfort and work efficiency during long-term keyboard use.

The application relates to a climate environment test method for simulating a full-load working scene of an FTTR gateway, wherein an FTTR gateway master device is registered to an OLT through an optical fiber, an FTTR gateway slave device is registered to an OLT BOSA under the FTTR gateway master device through an optical fiber; a first terminal device PC1 is connected to the FTTR gateway master device 2.4G WIFI, a second terminal device PC2 is connected to the FTTR gateway master device 5G WIFI, a third terminal device PC3 is connected to the FTTR gateway master device LAN2; a fourth terminal device PC4 is connected to the FTTR gateway slave device 2.4G WIFI, a fifth terminal device PC5 is connected to the FTTR gateway slave device 5G WIFI, and the third terminal device PC3 is connected to the FTTR gateway slave device LAN2; the FTTR gateway master device LAN1 is connected to an OLT service board card port 1; the FTTR gateway slave device LAN1 is connected to an OLT service board card port 2; a 5W cement load is hung below a USB port of the FTTR gateway master device to simulate a full-load working scene of the USB port of the FTTR gateway master device; a telephone is hung below a voice port of the FTTR gateway master device and is picked up after ringing; the use of the FTTR gateway device is expanded, and the FTTR device is ensured to be in full-load operation during a climate environment test process.

The present invention relates to a portable, minimally invasive training system that simulates laparoscopic navigation. The system is designed considering optimal performance parameters, such as the instrument manipulation angle, elevation angle, azimuth angle, intracorporeal / extracorporeal instrument ratio, and ergonomics, among others. It features optics that emulate a zero-degree laparoscope / neuroendoscope and has USB connectivity for use with any computer to provide visual feedback.

This invention relates to a device for securing a USB-A interface, comprising: a socket tongue integrally formed of insulating material, with a plurality of contact terminal blocks arranged inside along the insertion direction; a metal shielding shell covering the outer periphery of the socket tongue, the sidewalls and top wall of which form a semi-enclosed shielding cavity; a snap-fit ​​spring disposed on the top of the metal shielding shell, which is connected to a first fixing hole and a second fixing hole on the top of the metal shielding shell through its own first and second hooks; the top of the metal shielding shell is also provided with a third hook, which is connected to the third fixing hole of the snap-fit ​​spring, and the bending direction of the first and second hooks is opposite to the bending direction of the third hook; the snap-fit ​​spring also includes a check valve bent upward at a certain angle to the top of the metal shielding shell; and a clamping spring symmetrically disposed in the openings of the side wall of the metal shielding shell. After the plug is inserted, the clamping spring presses the plug housing inward and generates a lateral clamping force. This invention is more stable and has better fatigue resistance than the prior art.

A USB-C type testing device, system, and method provide forward and reverse plugging tests without physical plugging and unplugging. The USB-C type testing device includes a first connection terminal, a signal input terminal, and a processing unit. The first connection terminal is connected to a downstream device via a first cable; the signal input terminal receives a selection signal; the processing unit has a first forward channel mode and a first reverse channel mode. The processing unit determines whether the device is connected to a first forward pin group or a first reverse pin group based on the set channel pins of the first cable, and regards the connected pin group as a first physical channel. The processing unit selects either the first forward channel mode or the first reverse channel mode according to the selection signal, and matches the selected channel mode to the first physical channel to form a first analog channel.

The application discloses an electronic device and a charging method. The electronic device comprises a USB interface, a fast charging chip, a power management chip and a main chip. The fast charging chip comprises a DP module and a DM module. The power management chip comprises a DP input module, a DM input module, a DP output module and a DM output module. The USB interface is connected with the fast charging chip and the power management chip. The DP output module and the DM output module are connected with the main chip. When the power management chip detects that the port type is DCP, the DP input module and the DM input module are switched to a high impedance state, and the DP module and the DM module of the fast charging chip are switched to a low impedance state. When the power management chip detects that the port type is SDP / CDP, the DP input module and the DM input module are connected with the DP output module and the DM output module. Through the electronic device, the compatibility of fast charging and data transmission can be realized while reducing the cost.